From: Ma Ke <make24@xxxxxxxxxxx>
commit 665a58fe663ac7a9ea618dc0b29881649324b116 upstream.
devm_kasprintf() can return a NULL pointer on failure but this returned
value is not checked. Fix this lack and check the returned value.
Found by code review.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: a0f160ffcb83 ("pinctrl: add pinctrl/GPIO driver for Apple SoCs")
Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
Reviewed-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Link: https://lore.kernel.org/20240905020917.356534-1-make24@xxxxxxxxxxx
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pinctrl/pinctrl-apple-gpio.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/pinctrl/pinctrl-apple-gpio.c
+++ b/drivers/pinctrl/pinctrl-apple-gpio.c
@@ -471,6 +471,9 @@ static int apple_gpio_pinctrl_probe(stru
for (i = 0; i < npins; i++) {
pins[i].number = i;
pins[i].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "PIN%u", i);
+ if (!pins[i].name)
+ return -ENOMEM;
+
pins[i].drv_data = pctl;
pin_names[i] = pins[i].name;
pin_nums[i] = i;
Patches currently in stable-queue which might be from make24@xxxxxxxxxxx are
queue-6.1/pinctrl-apple-check-devm_kasprintf-returned-value.patch
